Two questions:
1) Is it supposed to be possible to invoke a given continuation more
than once, or is it "used up" once invoked?
2) Am I supposed to be able to "jump down" the stack by invoking a
continuation? To be specific, if "A calls B calls C", and C invokes the
return continuation which takes it directly back to A, can something
later invoke the return continuation which leads to B? (Emphasizing
there the notion that something "skipped over" a continuation, then
later came back and used it.)
Just trying to figure out what's legal, and what's not.
JEff
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